is the seventh episode of the seventh season (S7E7) of the television series Supernatural .
: The Winchester brothers, who are at odds after Dean killed Sam's friend Amy Pond, reunite to investigate why local psychics are being killed in bizarre ways. [S7E7] The Mentalists
: They discover the ghost of Margaret Fox , a famous historical psychic, is being controlled by a necromancer to kill those he deems "frauds". is the seventh episode of the seventh season
: Provides information on current streaming availability. a famous historical psychic